Hirsh, S. (2018). Information services today: An introduction (Second edition.). Rowman & Littlefield.
芝加哥风格引文Hirsh, Sandra. Information Services Today: An Introduction. Second edition. Lanham: Rowman & Littlefield, 2018.
MLA引文Hirsh, Sandra. Information Services Today: An Introduction. Second edition. Rowman & Littlefield, 2018.
警告：这些引文格式不一定是100％准确.